This AC adapter, designed specifically for the FSM-11 series, is an essential accessory for maintaining efficient operation in fiber optic fusion splicing. Its compatibility enhances the functionality of your splicing equipment, ensuring reliable performance during critical tasks. Please note that for AC operation, it is necessary to also have the S014008 DCA-02. With this adapter, you can count on a steady and secure power supply, allowing for optimal workflow in your fiber optic projects.